Title:
CEMENT CLINKER, METHOD OF PRODUCING CEMENT CLINKER, AND CEMENT COMPOSITION
Document Type and Number:
Japanese Patent JP2023092562
Kind Code:
A
Abstract:
To provide a cement composition and the like produced using biomass ash as a part of raw materials, which have strength development properties equal to or higher than those of ordinary Portland cement.SOLUTION: A cement clinker of this invention has a belite content of 28-45 mass%, a pore phase content of 3-25 mass%, and an alkali content of 0.65-2.5% mass%. A method for producing the cement clinker includes burning a cement clinker raw material that partially contains a raw material with a biomass ash replacement ratio of 25% or more to coal ash. A cement composition of this invention comprises at least 1 to 6 pts.mass of gypsum in SO3 equivalent based on 100 pts.mass of the cement clinker.SELECTED DRAWING: None
Inventors:
MIZOBUCHI HIROMI
OGI YOSHIFUMI
KUROKAWA DAISUKE
OGI YOSHIFUMI
KUROKAWA DAISUKE
Application Number:
JP2021207670A
Publication Date:
July 04, 2023
Filing Date:
December 22, 2021
Export Citation:
Assignee:
TAIHEIYO CEMENT CORP
International Classes:
C04B7/02; C04B7/24; C04B7/38; C04B14/28; C04B18/08; C04B18/14; C04B24/12; C04B28/02
Attorney, Agent or Firm:
Norihiko Arai
Haruta Naoyuki
Haruta Naoyuki
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